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Diffstat (limited to 'src/devices/cpu/nanoprocessor/nanoprocessor_dasm.h')
-rw-r--r--src/devices/cpu/nanoprocessor/nanoprocessor_dasm.h44
1 files changed, 44 insertions, 0 deletions
diff --git a/src/devices/cpu/nanoprocessor/nanoprocessor_dasm.h b/src/devices/cpu/nanoprocessor/nanoprocessor_dasm.h
new file mode 100644
index 00000000000..1287e0db605
--- /dev/null
+++ b/src/devices/cpu/nanoprocessor/nanoprocessor_dasm.h
@@ -0,0 +1,44 @@
+// license:BSD-3-Clause
+// copyright-holders:F. Ulivi
+// *******************************
+// * HP nanoprocessor disassembler
+// *******************************
+
+#ifndef MAME_CPU_NANOPROCESSOR_NANOPROCESSOR_DASM_H
+#define MAME_CPU_NANOPROCESSOR_NANOPROCESSOR_DASM_H
+
+#pragma once
+
+class hp_nanoprocessor_disassembler : public util::disasm_interface
+{
+public:
+ hp_nanoprocessor_disassembler() = default;
+ virtual ~hp_nanoprocessor_disassembler() = default;
+
+ virtual u32 opcode_alignment() const override;
+ virtual offs_t disassemble(std::ostream &stream, offs_t pc, const data_buffer &opcodes, const data_buffer &params) override;
+
+private:
+ typedef void (hp_nanoprocessor_disassembler::*fn_dis_param)(std::ostream& stream, uint8_t opcode, offs_t pc, const data_buffer &params);
+
+ typedef struct {
+ uint8_t m_op_mask;
+ uint8_t m_opcode;
+ const char *m_mnemonic;
+ fn_dis_param m_param_fn;
+ uint32_t m_dasm_flags;
+ } dis_entry_t;
+
+ void param_bitno(std::ostream& stream, uint8_t opcode, offs_t pc, const data_buffer &params);
+ void param_ds(std::ostream& stream, uint8_t opcode, offs_t pc, const data_buffer &params);
+ void param_reg(std::ostream& stream, uint8_t opcode, offs_t pc, const data_buffer &params);
+ void param_11bit(std::ostream& stream, uint8_t opcode, offs_t pc, const data_buffer &params);
+ void param_page_no(std::ostream& stream, uint8_t opcode, offs_t pc, const data_buffer &params);
+ void param_byte(std::ostream& stream, uint8_t opcode, offs_t pc, const data_buffer &params);
+ void param_ds_byte(std::ostream& stream, uint8_t opcode, offs_t pc, const data_buffer &params);
+ void param_reg_byte(std::ostream& stream, uint8_t opcode, offs_t pc, const data_buffer &params);
+
+ static const dis_entry_t dis_table[];
+};
+
+#endif